Triangle Fundamentals

Can the sides of a triangle have lengths 3, 4, and 9?

• Yes
• No

Which of the following would NOT work to make a triangle with the two side lengths of 2 and 6?

• 6
• 7
• 5
• 4

Does a triangle with these side lengths exist?
15, 12, 9

• Yes
• No
• I don't know.

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

The longest side of a triangle would be located where on a triangle?

• Across from the smallest angle
• Across from the largest angle
• Cannot tell.
• Adjacent to the smallest side.

The smallest angle would be located where in a triangle?

• Across from the smallest side.
• Across from the largest side
• Cannot tell

Two sides of a triangle have side lengths of 17 meters and 12 meters.  What is the range of possible lengths for the third side?

• 12 < x < 17
• 12 < x < 29
• 5 < x < 17
• 5 < x < 29

If the measures of two sides of a triangle are 3 feet and 7 feet, which is the least possible whole number measure for the third slide?

• 3 ft
• 4 ft
• 5 ft
• 10 ft

In Triangle ABC, if m∠C < m∠B < m∠A, then...

• A
• B
• C
• D